Splunk Search

How to combine two fields into one field?

splunknewby
Path Finder

How do I combine two fields into one field? I've tried the following (http://answers.splunk.com/answers/8334/help-with-combining-fields.html) options, but the:

eval IP = src_ip." / ".dst_ip

However, this does not result in a new IP field in my searches.

0 Karma
1 Solution

MuS
SplunkTrust
SplunkTrust

Hi splunknewby,

this works perfect with this example:

| gentimes start=-1 | eval src_ip="1.1.1.1" | eval dst_ip="2.2.2.2" | eval IP = src_ip." / ".dst_ip

Do you get src_ip or dst_ip fields in your events? Because this will only work if you get those fields in the search result.

cheers, MuS

View solution in original post

aljohnson_splun
Splunk Employee
Splunk Employee

are you maybe looking to make the values for each field accessible under one field's name ?

... | eval combined_ip = coalesce(src_ip, dst_ip)

woodcock
Esteemed Legend

Some fields may not always have a value so try this:

...  | fillnull src_ip dst_ip | eval IP = src_ip . " /  ". dst_ip

MuS
SplunkTrust
SplunkTrust

Hi splunknewby,

this works perfect with this example:

| gentimes start=-1 | eval src_ip="1.1.1.1" | eval dst_ip="2.2.2.2" | eval IP = src_ip." / ".dst_ip

Do you get src_ip or dst_ip fields in your events? Because this will only work if you get those fields in the search result.

cheers, MuS

splunknewby
Path Finder

Thanks MuS.

0 Karma

MuS
SplunkTrust
SplunkTrust

You're welcome 🙂

0 Karma
Get Updates on the Splunk Community!

Data Management Digest – December 2025

Welcome to the December edition of Data Management Digest! As we continue our journey of data innovation, the ...

Index This | What is broken 80% of the time by February?

December 2025 Edition   Hayyy Splunk Education Enthusiasts and the Eternally Curious!    We’re back with this ...

Unlock Faster Time-to-Value on Edge and Ingest Processor with New SPL2 Pipeline ...

Hello Splunk Community,   We're thrilled to share an exciting update that will help you manage your data more ...